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BOSTON MARATHON 2023

Xiaomei Zhang

Bib: 24256•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:38
Rank: #25410
Start → 5K
33:38 | 10:50/mi
10K· 6.21 mi
1:06:39
Rank: #25134 (+276)
5K → 10K
33:01 | 10:38/mi
15K· 9.32 mi
1:39:42
Rank: #24976 (+158)
10K → 15K
33:03 | 10:38/mi
20K· 12.43 mi
2:13:47
Rank: #24870 (+106)
15K → 20K
34:05 | 10:58/mi
Half· 13.11 mi
2:21:20
Rank: #24891 (-21)
20K → Half
7:33 | 11:04/mi
25K· 15.53 mi
2:47:39
Rank: #24699 (+192)
Half → 25K
26:19 | 10:51/mi
30K· 18.64 mi
3:24:18
Rank: #24601 (+98)
25K → 30K
36:39 | 11:48/mi
20M
3:40:19
Rank: #24558 (+43)
30K → 20M
16:01 | 11:47/mi
21M
3:52:27
Rank: #24471 (+87)
20M → 21M
12:08 | 12:08/mi
35K· 21.75 mi
4:00:35
Rank: #24423 (+48)
21M → 35K
8:08 | 10:52/mi
23M
4:15:59
Rank: #24428 (-5)
35K → 23M
15:24 | 12:18/mi
24M
4:28:42
Rank: #24494 (-66)
23M → 24M
12:43 | 12:43/mi
40K· 24.85 mi
4:39:33
Rank: #24520 (-26)
24M → 40K
10:51 | 12:41/mi
25.2M
4:43:59
Rank: #24521 (-1)
40K → 25.2M
4:26 | 12:51/mi
Finish· 26.22 mi
4:55:10
Rank: #24510 (+11)
25.2M → Finish
11:11 | 10:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:20
Pace10:47 /mi
2nd Half
Distance13.11 mi
Time2:33:50
Pace11:44 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5633:3810:5033:38
10:50
-
10K
6.21 mi12:25:571:06:3910:4433:01
10:38
-0:12
15K
9.32 mi12:59:001:39:4210:4233:03
10:38
0:00
20K
12.43 mi13:33:052:13:4710:4634:05
10:58
+0:20
Half
13.11 mi13:40:382:21:2010:477:33
11:04
+0:06
25K
15.53 mi14:06:572:47:3910:4826:19
10:51
-0:13
30K
18.64 mi14:43:363:24:1810:5836:39
11:48
+0:57
20M
20.00 mi14:59:373:40:1911:0116:01
11:47
-0:01
21M
21.00 mi15:11:453:52:2711:0412:08
12:08
+0:21
35K
21.75 mi15:19:534:00:3511:048:08
10:52
-1:16
23M
23.00 mi15:35:174:15:5911:0815:24
12:18
+1:26
24M
24.00 mi15:48:004:28:4211:1212:43
12:43
+0:25
40K
24.85 mi15:58:514:39:3311:1510:51
12:41
-0:02
25.2M
25.20 mi16:03:174:43:5911:164:26
12:51
+0:10
Finish
26.22 mi16:14:284:55:1011:1611:11
10:58
-1:53

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:38 /mi

Average Pace

11:16 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:04

22% of race

Time at Steady Pace

2:00:54

41% of race

Time at Slower Pace

1:48:12

37% of race

Average Pace: 11:15 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:52:5633:3810:5033:38
10:50
#25410
10K
6.21 mi12:25:571:06:3910:4433:01
10:38
#25134
15K
9.32 mi12:59:001:39:4210:4233:03
10:38
#24976
20K
12.43 mi13:33:052:13:4710:4634:05
10:58
#24870
Half
13.11 mi13:40:382:21:2010:477:33
11:04
#24891
25K
15.53 mi14:06:572:47:3910:4826:19
10:51
#24699
30K
18.64 mi14:43:363:24:1810:5836:39
11:48
#24601
20M
20.00 mi14:59:373:40:1911:0116:01
11:47
#24558
21M
21.00 mi15:11:453:52:2711:0412:08
12:08
#24471
35K
21.75 mi15:19:534:00:3511:048:08
10:52
#24423
23M
23.00 mi15:35:174:15:5911:0815:24
12:18
#24428
24M
24.00 mi15:48:004:28:4211:1212:43
12:43
#24494
40K
24.85 mi15:58:514:39:3311:1510:51
12:41
#24520
25.2M
25.20 mi16:03:174:43:5911:164:26
12:51
#24521
Finish
26.22 mi16:14:284:55:1011:1611:11
10:58
#24510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi25410106751067524703(Top 93%)10296(Top 90%)10296(Top 1954%)
10K6.21 mi3.10 mi25134+27610510+16510510+16524917(Top 94%)10394(Top 91%)10394(Top 1972%)
15K9.32 mi3.11 mi24976+15810423+8710423+8724703(Top 93%)10296(Top 90%)10296(Top 1954%)
20K12.43 mi3.11 mi24870+10610381+4210381+4224600(Top 92%)10258(Top 90%)10258(Top 1946%)
Half13.11 mi0.68 mi24891-2110398-1710398-1725031(Top 94%)10512(Top 92%)10512(Top 1995%)
25K15.53 mi2.42 mi24699+19210300+9810300+9823757(Top 89%)9826(Top 86%)9826(Top 1865%)
30K18.64 mi3.11 mi24601+9810260+4010260+4024260(Top 91%)10153(Top 89%)10153(Top 1927%)
20M20.00 mi1.36 mi24558+4310243+1710243+1723939(Top 90%)10047(Top 88%)10047(Top 1906%)
21M21.00 mi1.00 mi24471+8710201+4210201+4222959(Top 86%)9530(Top 83%)9530(Top 1808%)
35K21.75 mi0.75 mi24423+4810182+1910182+1923092(Top 87%)9646(Top 84%)9646(Top 1830%)
23M23.00 mi1.25 mi24428-510195-1310195-1324369(Top 92%)10323(Top 90%)10323(Top 1959%)
24M24.00 mi1.00 mi24494-6610239-4410239-4425259(Top 95%)10803(Top 95%)10803(Top 2050%)
40K24.85 mi0.85 mi24520-2610263-2410263-2424669(Top 93%)10505(Top 92%)10505(Top 1993%)
25.2M25.20 mi0.35 mi24521-110262+110262+123812(Top 89%)10100(Top 88%)10100(Top 1917%)
Finish26.22 mi1.02 mi24510+1110271-910271-923933(Top 90%)10129(Top 89%)10129(Top 1922%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24703

Females

10296

F60-64

10296

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24917

Females

10394

F60-64

10394

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24703

Females

10296

F60-64

10296

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24600

Females

10258

F60-64

10258

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25031

Females

10512

F60-64

10512

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23757

Females

9826

F60-64

9826

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24260

Females

10153

F60-64

10153

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23939

Females

10047

F60-64

10047

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22959

Females

9530

F60-64

9530

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23092

Females

9646

F60-64

9646

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24369

Females

10323

F60-64

10323

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25259

Females

10803

F60-64

10803

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24669

Females

10505

F60-64

10505

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23812

Females

10100

F60-64

10100

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23933

Females

10129

F60-64

10129

Passing Analysis

Category:
Athletes Passed
1370
Passed By
470
Net Change
+900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25410
5K → 10K33458+276#25410#25134
10K → 15K20446+158#25134#24976
15K → 20K15953+106#24976#24870
20K → Half1132-21#24870#24891
Half → 25K2008+192#24891#24699
25K → 30K14446+98#24699#24601
30K → 20M6926+43#24601#24558
20M → 21M9710+87#24558#24471
21M → 35K557+48#24471#24423
35K → 23M3237-5#24423#24428
23M → 24M1480-66#24428#24494
24M → 40K1339-26#24494#24520
40K → 25.2M78-1#24520#24521
25.2M → Finish3120+11#24521#24510
TOTALS1370470+900
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing